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206299212 = 22372973617
BaseRepresentation
bin11000100101111…
…10000001001100
3112101012002022120
430102332001030
5410303033322
632245412540
75053341300
oct1422760114
9471162276
10206299212
11a64a5719
125910a150
1333981552
141d581d00
15131a0a5c
hexc4be04c

206299212 has 72 divisors (see below), whose sum is σ = 565884144. Its totient is φ = 58318848.

The previous prime is 206299211. The next prime is 206299217. The reversal of 206299212 is 212992602.

206299212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206299211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55228 + ... + 58844.

It is an arithmetic number, because the mean of its divisors is an integer number (7859502).

Almost surely, 2206299212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206299212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282942072).

206299212 is an abundant number, since it is smaller than the sum of its proper divisors (359584932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206299212 is a wasteful number, since it uses less digits than its factorization.

206299212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 206299212 is about 14363.1198560758. The cubic root of 206299212 is about 590.8798631210.

The spelling of 206299212 in words is "two hundred six million, two hundred ninety-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 97 98 147 194 196 291 294 388 582 588 679 1164 1358 2037 2716 3617 4074 4753 7234 8148 9506 10851 14259 14468 19012 21702 25319 28518 43404 50638 57036 75957 101276 151914 177233 303828 350849 354466 531699 701698 708932 1052547 1063398 1403396 2105094 2126796 2455943 4210188 4911886 7367829 9823772 14735658 17191601 29471316 34383202 51574803 68766404 103149606 206299212